van Nispen, R. M., Knol, D. L., Langelaan, M., & van Rens, G. H. (2011). Re-evaluating a vision-related quality of life questionnaire with item response theory (IRT) and differential item functioning (DIF) analyses. BioMed Central.
शिकागो स्टाइल उद्धरणvan Nispen, Ruth MA, Dirk L. Knol, Maaike Langelaan, और Ger HMB van Rens. Re-evaluating a Vision-related Quality of Life Questionnaire With Item Response Theory (IRT) and Differential Item Functioning (DIF) Analyses. BioMed Central, 2011.
एमएलए उद्धरणvan Nispen, Ruth MA, Dirk L. Knol, Maaike Langelaan, और Ger HMB van Rens. Re-evaluating a Vision-related Quality of Life Questionnaire With Item Response Theory (IRT) and Differential Item Functioning (DIF) Analyses. BioMed Central, 2011.
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